/**
 * Copyright 2011 BlueOxygen Technology
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0 
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.meruvian.yama.struts.typeconverter;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;

import org.apache.struts2.util.StrutsTypeConverter;

import com.opensymphony.xwork2.inject.Inject;

/**
 * @author Dian Aditya
 * 
 */
public class DateConverter extends StrutsTypeConverter {

	private String format = "yyyy-MM-dd";
	private SimpleDateFormat dateFormat = new SimpleDateFormat();

	@Inject(required = false, value = "yama.converter.date.format")
	public void setDateFormat(String format) {
		this.format = format;
	}

	public Object convertFromString(Map context, String[] values, Class toClass) {
		Date date = null;
		dateFormat.applyPattern(format);

		try {
			date = dateFormat.parse(values[0]);
		} catch (ParseException e) {
			e.printStackTrace();
		}

		return date;
	}

	public String convertToString(Map context, Object o) {
		dateFormat.applyPattern(format);

		if (o instanceof Date) {
			Date date = (Date) o;

			return dateFormat.format(date);
		}

		return o + "";
	}

}
